Grain Valley Custom Muffler Shop

Great Service, great staff! The man got me out of a pickle and worked with me to put me on the road. Thank God for shops/people like this.

This message is to and for the owners in addition to the public. To the public I urge you to only deal with the owners in this place. And you will have to ask for them because they are very...

Excellent service...friendly...I have been a customer for years..,very professional....... Highly recommend grain valley muffler

I asked for a new exhaust system from the manifold back. I guess that means, to them, 1 foot from the manifold. Not what I asked for. Now I have 33 year old pipe from the manifold to their new...

The tailpipe of our RV dropped off on our way back to St Louis and was causing other damage. We had an emergency we had to deal with in St Louis. Grain Valley Muffler was very understanding and...